Casting | Rôle |
|---|
| Peter Dyneley | Jeff Tracy / Commander Norman (voice) |
| Sylvia Anderson | Lady Penelope Creighton-Ward / Madeline / Telephone Operator (voice) |
| Shane Rimmer | Scott Tracy (voice) |
| Jeremy Wilkin | Virgil Tracy / Mason / D103 Pilot / 1st Reporter (voice) |
| Matt Zimmerman | Alan Tracy (voice) |
| David Graham | Gordon Tracy / Brains / Parker / Skythrust Co-Pilot / Officer / Waiter / Fashion Buyers / Ross (voice) |
| Ray Barrett | Francois Lemaire / Captain Saville / Lieutenant Burroughs / Collins (voice) |
| Christine Finn | Tin-Tin Kyrano / Dierdre / Saville's Secretary (voice) |
| Paul Maxwell | Captain Ashton / 2nd Reporter (voice) (uncredited) |
